In design, which principle is in effect when all elements in a design are in harmony and produce an undivided impact?

After first arriving in new york, charlie parker took a job as a dishwasher at jimmy's chicken shack, where played the piano nightly. listening to his astonishing harmonic restructuring, virtuoso phrasing, and breakneck tempos every night for three months, charlie parker challenged himself to adopt these qualities into his playing, and he continued to practice tirelessly.

Choose the word with stronger connotation to repleace the word scared a) terrified b) distressed c) frightened d) worried

What is john stewart mills basic criterion for whether an action is right or wrong?